Without delay, let's solve this. We've got 387 and we will be multiplying it by 135, that is, adding 387 to itself 135 times.
Step 1: 0 + 387 = 387
Step 2: 387 + 387 = 774
Step 3: 774 + 387 = 1161
Step 4: 1161 + 387 = 1548
Step 5: 1548 + 387 = 1935
Step 6: 1935 + 387 = 2322
Step 7: 2322 + 387 = 2709
Step 8: 2709 + 387 = 3096
Step 9: 3096 + 387 = 3483
Step 10: 3483 + 387 = 3870
Step 11: 3870 + 387 = 4257
Step 12: 4257 + 387 = 4644
Step 13: 4644 + 387 = 5031
Step 14: 5031 + 387 = 5418
Step 15: 5418 + 387 = 5805
Step 16: 5805 + 387 = 6192
Step 17: 6192 + 387 = 6579
Step 18: 6579 + 387 = 6966
Step 19: 6966 + 387 = 7353
Step 20: 7353 + 387 = 7740
Step 21: 7740 + 387 = 8127
Step 22: 8127 + 387 = 8514
Step 23: 8514 + 387 = 8901
Step 24: 8901 + 387 = 9288
Step 25: 9288 + 387 = 9675
Step 26: 9675 + 387 = 10062
Step 27: 10062 + 387 = 10449
Step 28: 10449 + 387 = 10836
Step 29: 10836 + 387 = 11223
Step 30: 11223 + 387 = 11610
Step 31: 11610 + 387 = 11997
Step 32: 11997 + 387 = 12384
Step 33: 12384 + 387 = 12771
Step 34: 12771 + 387 = 13158
Step 35: 13158 + 387 = 13545
Step 36: 13545 + 387 = 13932
Step 37: 13932 + 387 = 14319
Step 38: 14319 + 387 = 14706
Step 39: 14706 + 387 = 15093
Step 40: 15093 + 387 = 15480
Step 41: 15480 + 387 = 15867
Step 42: 15867 + 387 = 16254
Step 43: 16254 + 387 = 16641
Step 44: 16641 + 387 = 17028
Step 45: 17028 + 387 = 17415
Step 46: 17415 + 387 = 17802
Step 47: 17802 + 387 = 18189
Step 48: 18189 + 387 = 18576
Step 49: 18576 + 387 = 18963
Step 50: 18963 + 387 = 19350
Step 51: 19350 + 387 = 19737
Step 52: 19737 + 387 = 20124
Step 53: 20124 + 387 = 20511
Step 54: 20511 + 387 = 20898
Step 55: 20898 + 387 = 21285
Step 56: 21285 + 387 = 21672
Step 57: 21672 + 387 = 22059
Step 58: 22059 + 387 = 22446
Step 59: 22446 + 387 = 22833
Step 60: 22833 + 387 = 23220
Step 61: 23220 + 387 = 23607
Step 62: 23607 + 387 = 23994
Step 63: 23994 + 387 = 24381
Step 64: 24381 + 387 = 24768
Step 65: 24768 + 387 = 25155
Step 66: 25155 + 387 = 25542
Step 67: 25542 + 387 = 25929
Step 68: 25929 + 387 = 26316
Step 69: 26316 + 387 = 26703
Step 70: 26703 + 387 = 27090
Step 71: 27090 + 387 = 27477
Step 72: 27477 + 387 = 27864
Step 73: 27864 + 387 = 28251
Step 74: 28251 + 387 = 28638
Step 75: 28638 + 387 = 29025
Step 76: 29025 + 387 = 29412
Step 77: 29412 + 387 = 29799
Step 78: 29799 + 387 = 30186
Step 79: 30186 + 387 = 30573
Step 80: 30573 + 387 = 30960
Step 81: 30960 + 387 = 31347
Step 82: 31347 + 387 = 31734
Step 83: 31734 + 387 = 32121
Step 84: 32121 + 387 = 32508
Step 85: 32508 + 387 = 32895
Step 86: 32895 + 387 = 33282
Step 87: 33282 + 387 = 33669
Step 88: 33669 + 387 = 34056
Step 89: 34056 + 387 = 34443
Step 90: 34443 + 387 = 34830
Step 91: 34830 + 387 = 35217
Step 92: 35217 + 387 = 35604
Step 93: 35604 + 387 = 35991
Step 94: 35991 + 387 = 36378
Step 95: 36378 + 387 = 36765
Step 96: 36765 + 387 = 37152
Step 97: 37152 + 387 = 37539
Step 98: 37539 + 387 = 37926
Step 99: 37926 + 387 = 38313
Step 100: 38313 + 387 = 38700
Step 101: 38700 + 387 = 39087
Step 102: 39087 + 387 = 39474
Step 103: 39474 + 387 = 39861
Step 104: 39861 + 387 = 40248
Step 105: 40248 + 387 = 40635
Step 106: 40635 + 387 = 41022
Step 107: 41022 + 387 = 41409
Step 108: 41409 + 387 = 41796
Step 109: 41796 + 387 = 42183
Step 110: 42183 + 387 = 42570
Step 111: 42570 + 387 = 42957
Step 112: 42957 + 387 = 43344
Step 113: 43344 + 387 = 43731
Step 114: 43731 + 387 = 44118
Step 115: 44118 + 387 = 44505
Step 116: 44505 + 387 = 44892
Step 117: 44892 + 387 = 45279
Step 118: 45279 + 387 = 45666
Step 119: 45666 + 387 = 46053
Step 120: 46053 + 387 = 46440
Step 121: 46440 + 387 = 46827
Step 122: 46827 + 387 = 47214
Step 123: 47214 + 387 = 47601
Step 124: 47601 + 387 = 47988
Step 125: 47988 + 387 = 48375
Step 126: 48375 + 387 = 48762
Step 127: 48762 + 387 = 49149
Step 128: 49149 + 387 = 49536
Step 129: 49536 + 387 = 49923
Step 130: 49923 + 387 = 50310
Step 131: 50310 + 387 = 50697
Step 132: 50697 + 387 = 51084
Step 133: 51084 + 387 = 51471
Step 134: 51471 + 387 = 51858
Step 135: 51858 + 387 = 52245

So, 387*135 = 52245